when the debates now shift to foreign policy, it's not likely to get any easier for the president. the middle east is a tinderbox. the murder of an american ambassador in libya goes begging for an explanation as to why repeated requests for additional security in our consulate in benghazi were turned down. and the white house won't answer any questions about this except to say that the fbi is conducting an investigation. the fbi. that's not nearly enough. here's the question, why did president obama do so poorly at last night's debate? go to cnn.com/caffertyfile, post a comment on the blog or go to our post on "the situation room" facebook page. >> good question, jack. >>> bored, aloof, even arrogant, some of the words critics are using to describe the president's performance at last night's debate. up next i'll ask his press secretary to explain the performance what was going on. plus, pursed lips and raised eyebrows. how one expert uses special software to measure the candidates' expressions. questions? anyone have occasional constipation, diarrhea, gas, bloating? yeah. one phill